Calcite with Malachite and Azurite Richard A. Kosnar The pegmatites near the Lake

The pegmatites near the Lake George area of Colorado have produced what most collectors and dealers consider to be the finest Amazonite specimens from the standpoint of superb color

Specimen# CO712B77

I have never seen anything quite like this from any mine in Bolivia

A great cabinet display piece of Demantoid with dozens of yellow-green dodecahedra

The Black Cloud Mine was one of the most famous specimen producing locales in Leadville and was one of the last operating mines in Colorado when it closed in 1999

Calcite with Malachite and Azurite Richard A. Kosnar The pegmatites near the LakeOne of the best crystallized Calcites that I have seen from the Copper Rivet Mine, located several miles north of the Cashin Mine, along Slat Creek, west of Highway 141. This lesser known locality apparently produced some specimens in the late 1990s when a few enterprising individuals were able to liberate pieces in their free time. I havent seen many Copper Rivet specimens on the market, and they typically arent much to look at, but this piece hosts